Limit dev builds in appcast changelog.
Limit dev builds in appcast changelog.

Zhao-Qi/tilemill,MappingKat/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,Zhao-Qi/tilemill,MappingKat/tilemill,florianf/tileoven,nyimbi/tilemill,tizzybec/tilemill,fxtentacle/tilemill,fxtentacle/tilemill,mbrukman/tilemill,tizzybec/tilemill,mbrukman/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,mbrukman/tilemill,Zhao-Qi/tilemill,paulovieira/tilemill-clima,Zhao-Qi/tilemill,fxtentacle/tilemill,paulovieira/tilemill-clima,Teino1978-Corp/Teino1978-Corp-tilemill,tilemill-project/tilemill,florianf/tileoven,nyimbi/tilemill,tizzybec/tilemill,nyimbi/tilemill,Zhao-Qi/tilemill,tilemill-project/tilemill,nyimbi/tilemill,fxtentacle/tilemill,mbrukman/tilemill,tizzybec/tilemill,MappingKat/tilemill,paulovieira/tilemill-clima,nyimbi/tilemill,paulovieira/tilemill-clima,Teino1978-Corp/Teino1978-Corp-tilemill,tilemill-project/tilemill,MappingKat/tilemill,florianf/tileoven,paulovieira/tilemill-clima,tizzybec/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,mbrukman/tilemill,MappingKat/tilemill,fxtentacle/tilemill